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1201102102010 = 25170970280989
BaseRepresentation
bin10001011110100111010…
…000111001110111111010
311020211020212111200201102
4101132213100321313322
5124134324114231020
62315440110251402
7152530300262306
oct21364720716772
94224225450642
101201102102010
114234259076a8
121749467b6b62
1389356a23385
14421c2a52d06
152139b839475
hex117a7439dfa

1201102102010 has 16 divisors (see below), whose sum is σ = 2163248872200. Its totient is φ = 480159710016.

The previous prime is 1201102101967. The next prime is 1201102102019. The reversal of 1201102102010 is 102012011021.

It can be written as a sum of positive squares in 4 ways, for example, as 503962269409 + 697139832601 = 709903^2 + 834949^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201102101982 and 1201102102000.

It is not an unprimeable number, because it can be changed into a prime (1201102102019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35123405 + ... + 35157584.

Almost surely, 21201102102010 is an apocalyptic number.

1201102102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201102102010 is a deficient number, since it is larger than the sum of its proper divisors (962146770190).

1201102102010 is a wasteful number, since it uses less digits than its factorization.

1201102102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70282705.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1201102102010 its reverse (102012011021), we get a palindrome (1303114113031).

The spelling of 1201102102010 in words is "one trillion, two hundred one billion, one hundred two million, one hundred two thousand, ten".

Divisors: 1 2 5 10 1709 3418 8545 17090 70280989 140561978 351404945 702809890 120110210201 240220420402 600551051005 1201102102010